When Mr. Watts, the science teacher, turns up for class and tries to open his briefcase with his teeth, James, Alexander and Lenny realize he's not quite himself. The friends investigate and uncover a plot so dangerous that the life of every pupil and teacher is at risk. How will they foil the plot and restore Mr. Watts to normal? The new Flips range brings modern classics to the Nintendo DSiWare service. Readers can collect, solve, interact and learn as they progress through various stories and challenges.